Buggy code:
public class WebDriverFactory { public static final String DEFAULT_DRIVER = "firefox" ; public static final String REMOTE_DRIVER = "remote" ; private final WebdriverInstanceFactory webdriverInstanceFactory ; private static final Logger LOGGER = LoggerFactory . getLogger ( WebDriverFactory . class ) ; private ProfilesIni allProfiles ; private static final int DEFAULT_HEIGHT = ThucydidesSystemProperty . DEFAULT_HEIGHT ; private static final int DEFAULT_WIDTH = ThucydidesSystemProperty . DEFAULT_WIDTH ; private final EnvironmentVariables environmentVariables ; private final FirefoxProfileEnhancer firefoxProfileEnhancer ; private final FixtureProviderService fixtureProviderService ; private final ElementProxyCreator proxyCreator ; private final BrowserStackRemoteDriverCapabilities browserStackRemoteDriverCapabilities ; private final SauceRemoteDriverCapabilities sauceRemoteDriverCapabilities ; private final Integer EXTRA_TIME_TO_TAKE_SCREENSHOTS = 180 ; private final TimeoutStack timeoutStack ; public WebDriverFactory ( ) { } public WebDriverFactory ( EnvironmentVariables environmentVariables ) { } public WebDriverFactory ( WebdriverInstanceFactory webdriverInstanceFactory , EnvironmentVariables environmentVariables ) { } public WebDriverFactory ( WebdriverInstanceFactory webdriverInstanceFactory , EnvironmentVariables environmentVariables , FirefoxProfileEnhancer firefoxProfileEnhancer ) { } public WebDriverFactory ( WebdriverInstanceFactory webdriverInstanceFactory , EnvironmentVariables environmentVariables , FirefoxProfileEnhancer firefoxProfileEnhancer , FixtureProviderService fixtureProviderService ) { } public WebDriverFactory ( WebdriverInstanceFactory webdriverInstanceFactory , EnvironmentVariables environmentVariables , FirefoxProfileEnhancer firefoxProfileEnhancer , FixtureProviderService fixtureProviderService , ElementProxyCreator proxyCreator ) { } protected ProfilesIni getAllProfiles ( ) { } public WebDriver newInstanceOf ( final SupportedWebDriver driverType ) { } public Class < ? extends WebDriver > getClassFor ( final SupportedWebDriver driverType ) { } public boolean usesSauceLabs ( ) { } public boolean usesBrowserStack ( ) { } protected synchronized WebDriver newWebdriverInstance ( final Class < ? extends WebDriver > driverClass ) { } private void setPhantomJSPathIfNotSet ( ) { } private boolean phantomJSIsAvailable ( ) { } private int executeCommand ( String command ) throws IOException { } private boolean isAProvidedDriver ( Class < ? extends WebDriver > driverClass ) { } private WebDriver providedDriver ( ) { ProvidedDriverConfiguration sourceConfig = new ProvidedDriverConfiguration ( environmentVariables ) ; try { return sourceConfig . getDriverSource ( ) . newDriver ( ) ; } catch ( Exception e ) { <START_BUG> throw new RuntimeException ( ( "Could<seq2seq4repair_space>not<seq2seq4repair_space>instantiate<seq2seq4repair_space>the<seq2seq4repair_space>custom<seq2seq4repair_space>webdriver<seq2seq4repair_space>provider<seq2seq4repair_space>of<seq2seq4repair_space>type<seq2seq4repair_space>" + ( sourceConfig . getDriverName ( ) ) ) ) ; <END_BUG> } } private void setImplicitTimeoutsIfSpecified ( WebDriver driver ) { } private boolean shouldUseARemoteDriver ( ) { } private WebDriver newDriverInstanceFrom ( Class < ? extends WebDriver > driverClass ) throws IllegalAccessException , InstantiationException { } private WebDriver newRemoteDriver ( ) throws MalformedURLException { } private WebDriver buildRemoteDriver ( ) throws MalformedURLException { } private boolean saucelabsUrlIsDefined ( ) { } private boolean browserStackUrlIsDefined ( ) { } private WebDriver buildSaucelabsDriver ( ) throws MalformedURLException { } private WebDriver buildBrowserStackDriver ( ) throws MalformedURLException { } public static String getDriverFrom ( EnvironmentVariables environmentVariables , String defaultDriver ) { } public static String getDriverFrom ( EnvironmentVariables environmentVariables ) { } private Capabilities findSaucelabsCapabilities ( ) { } private Capabilities findbrowserStackCapabilities ( ) { } private Capabilities buildRemoteCapabilities ( ) { } private DesiredCapabilities capabilitiesForDriver ( String driver ) { } private SupportedWebDriver driverTypeFor ( String driver ) { } private DesiredCapabilities realBrowserCapabilities ( SupportedWebDriver driverType ) { } private DesiredCapabilities remoteCapabilities ( ) { } private DesiredCapabilities addExtraCatabilitiesTo ( DesiredCapabilities capabilities ) { } public void setupFixtureServices ( ) throws FixtureException { } public void shutdownFixtureServices ( ) { } private void addCapabilitiesFromFixtureServicesTo ( DesiredCapabilities capabilities ) { } private WebDriver htmlunitDriver ( ) throws IllegalAccessException , InstantiationException , NoSuchMethodException , InvocationTargetException { } private WebDriver phantomJSDriver ( ) { } private WebDriver firefoxDriver ( ) throws IllegalAccessException , InstantiationException , NoSuchMethodException , InvocationTargetException { } private WebDriver chromeDriver ( ) throws IllegalAccessException , InstantiationException , NoSuchMethodException , InvocationTargetException { } private void updateChromePathIfSpecifiedIn ( EnvironmentVariables environmentVariables ) { } private DesiredCapabilities chromeCapabilities ( ) { } private WebDriver appiumDriver ( ) { } private MobilePlatform appiumTargetPlatform ( ) { } private URL appiumUrl ( ) { } private DesiredCapabilities appiumCapabilities ( ) { } private ChromeOptions optionsFromSwitches ( String chromeSwitches ) { } private WebDriver safariDriver ( ) throws IllegalAccessException , InstantiationException , NoSuchMethodException , InvocationTargetException { } private WebDriver internetExplorerDriver ( ) { } private Capabilities enhancedCapabilities ( DesiredCapabilities capabilities ) { } private Dimension getRequestedBrowserSize ( ) { } private void redimensionBrowser ( final WebDriver driver ) { } private boolean browserDimensionsSpecified ( ) { } private boolean supportsScreenResizing ( final WebDriver driver ) { } private boolean isNotAMocked ( WebDriver driver ) { } protected void resizeBrowserTo ( WebDriver driver , int height , int width ) { } private boolean isARemoteDriver ( Class < ? extends WebDriver > driverClass ) { } private boolean isAFirefoxDriver ( Class < ? extends WebDriver > driverClass ) { } private boolean isAChromeDriver ( Class < ? extends WebDriver > driverClass ) { } private boolean isASafariDriver ( Class < ? extends WebDriver > driverClass ) { } private boolean isAnInternetExplorerDriver ( Class < ? extends WebDriver > driverClass ) { } private boolean isAnAppiumDriver ( Class < ? extends WebDriver > driverClass ) { } private boolean usesFirefox ( WebDriver driver ) { } private boolean usesInternetExplorer ( WebDriver driver ) { } private boolean usesChrome ( WebDriver driver ) { } private Class getDriverClass ( WebDriver driver ) { } private boolean isAnHtmlUnitDriver ( Class < ? extends WebDriver > driverClass ) { } private boolean isAPhantomJSDriver ( Class < ? extends WebDriver > driverClass ) { } private boolean usesPhantomJS ( WebDriver driver ) { } protected FirefoxProfile createNewFirefoxProfile ( ) { } protected FirefoxProfile useExistingFirefoxProfile ( final File profileDirectory ) { } protected FirefoxProfile buildFirefoxProfile ( ) { } private boolean shouldEnableNativeEvents ( ) { } private void activateProxyFor ( FirefoxProfile profile , FirefoxProfileEnhancer firefoxProfileEnhancer ) { } private String getProxyPortFromEnvironmentVariables ( ) { } private boolean shouldActivateProxy ( ) { } private String getProxyUrlFromEnvironmentVariables ( ) { } private FirefoxProfile getProfileFrom ( final String profileName ) { } private boolean refuseUntrustedCertificates ( ) { } public void initElementsWithAjaxSupport ( final PageObject pageObject , final WebDriver driver , int timeoutInSeconds ) { } public void setTimeouts ( WebDriver proxiedDriver , Duration implicitTimeout ) { }

Fix:
throw new RuntimeException ( ( "Could<seq2seq4repair_space>not<seq2seq4repair_space>instantiate<seq2seq4repair_space>the<seq2seq4repair_space>custom<seq2seq4repair_space>webdriver<seq2seq4repair_space>provider<seq2seq4repair_space>of<seq2seq4repair_space>type<seq2seq4repair_space>" + ( sourceConfig . getDriverName ( ) ) ) , e ) ;